IMI Tavor TAR-21 is an Israeli bullpup assault rifle chambered for 5.56x45mm NATO ammunition with a selective fire system, selecting between semi-automatic mode, burst mode, and full automatic fire mode. The name “TAR-21” stands for “Tavor Assault Rifle – 21st Century”. It has already been chosen to arm the Israeli (IDF) and Indian elite troops, and is aggressively marketed worldwide, to become a weapon of choice for future infantry combat suits.
The TAR-21 uses a bullpup design, as seen with the French FAMAS, the British SA80, Austrian Steyr AUG, and the Chinese Norinco QBZ-95. Bullpup rifles are configured in a layout in which the bolt carrier group is placed behind the pistol grip; this shortens the overall length but does not sacrifice barrel length. The Tavor TAR-21 provides carbine length, but rifle muzzle velocity. The bullpup design is also used to minimise the silhouette of soldiers and to maximize effectiveness in turning corners in urban warfare.
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The Tavor TAR-21 has ejection ports on both sides of the rifle so it can easily be reconfigured for right or left-handed shooters. However, this process requires partial disassembly, so it can not be quickly reconfigured while the rifle is in use by the soldier.
The TAR-21 design was created by Zalmen Shebs, with the express purpose of creating a weapon more suited to online casino urban combat than the M16/M4 carbine. It is based on advanced ergonomics and composite materials in order to produce a more comfortable and reliable rifle. The TAR-21 is waterproof and lightweight. The weapon has a built in laser and MARS red dot sight, one of the main advantages of having a built in system is that the weapon does not have to be zeroed after each use. The TAR-21 can also be mounted with an array of different scopes such as night vision systems and other electronic devices.
The TAR-21 accepts standard STANAG magazines. It can also be mounted with the M203 grenade launcher. Its ambidextrous fire mode selector above the pistol grip has a semi-automatic mode, burst mode, and a fully automatic mode.